KANJI GUIDE
The sky, and heaven with it. 天国 is paradise; 天気 is the weather.
A younger brother, and anyone junior to you. In 弟子 it means a disciple.
The orchid. One of the four plants of classical painting, standing for quiet nobility.
The third of the twelve zodiac signs, and the hour before dawn. A tiger year is said to bring people who lead rather than follow.